• For example,it says climate change and land use are expected to increase desertification worldwide, increasing the risk of sand and dust storms.

    VOA: standard.2009.03.23

  • That's what this whole theory is about, how to get a lot of expected return without getting a lot of risk.

    整个金融理论的中心,就是如何获得高收益,同时降低风险

    耶鲁公开课 - 金融市场课程节选

  • It would be anywhere from here to here, depending on how much you're afraid of risk and how much you want expected return.

    可以选择从这里到这里的任意一点,取决于你对风险的承受能力,和你的期望回报。

    耶鲁公开课 - 金融市场课程节选

  • Expected value is good and variance is bad because that's risk; that's uncertainty.

    期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性

    耶鲁公开课 - 金融市场课程节选

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